Using two stock light springs in distributor advance, good idea?

Just clarifying, you used two stock Mopar light springs and not aftermarket? If so, that's pretty much dead on what I'm aiming for.
Yes, one light one that is a little on the stiff side out of my 318 smog distributor and an even lighter one from an ‘85 D350 360 distributor. My underhood tach/dwell meter was a being a little fidgety that day but advance is all in between 25-26 hundred rpm. I am right there with you on the fun part, but can’t keep myself from going after everything I can find on the table for free.